CN1192410C - Return circuit breaker for primary power transmission - Google Patents
Return circuit breaker for primary power transmission Download PDFInfo
- Publication number
- CN1192410C CN1192410C CNB001259962A CN00125996A CN1192410C CN 1192410 C CN1192410 C CN 1192410C CN B001259962 A CNB001259962 A CN B001259962A CN 00125996 A CN00125996 A CN 00125996A CN 1192410 C CN1192410 C CN 1192410C
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- CN
- China
- Prior art keywords
- circuit breaker
- splicing ear
- primary
- lever
- primary side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 title claims description 20
- 239000002184 metal Substances 0.000 claims description 11
- 239000004020 conductor Substances 0.000 abstract description 21
- 208000032369 Primary transmission Diseases 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 239000012467 final product Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
PROBLEM TO BE SOLVED: To provide a circuit breaker for primary transmission that is easily assembled only by dividing the housing into two parts. SOLUTION: A stationary contact 3 is mounted in the inside of the casing 6 of the primary connection terminal 1. The contact seat 7a of the primary connection terminal 1 and the stationary contact 3 are connected to a primary conductor 10 shaped in the form of a channel. The base frame 6a of the casing 6 is provided with a longitudinal groove 16 used to lead and keep the primary conductor 10 inserted, which includes the primary conductor 10 with its both ends aligned in the direction of the operational handle.
Description
The present invention relates to a kind of return circuit breaker for primary power transmission that does not carry out the shunt distribution by main circuit breaker.
Even the return circuit breaker for primary power transmission that carries out distribution along separate routes by main circuit breaker is not used so be used as the loop of guaranteeing urgent electricity consumption because the main circuit breaker action is forfeited electricity in disconnecting also the loop not.Past, this primary power transmission circuit breaker is a normally used shunt small loop circuit breaker, in addition, shown in the plane graph of the house power distribution dish inside of Fig. 4, this return circuit breaker for primary power transmission 30 is provided with in connection with the circuit breaker 32 that the secondary side with main circuit breaker 31 links to each other.
Yet, because above-mentioned return circuit breaker for primary power transmission 30 is from the primary side hard wire of main circuit breaker 31, so, in the occasion that as the former, is provided with in connection with another circuit breaker 32 by main circuit breaker 31, not be disposed at distribution board in charging part such as main rod 33 is connected, thereby need excise the shunt rods that extend from main rod 33 etc. and connect the processing of using charging part.
The processing of this charging part is owing to carrying out in the limited places such as end of main rod 33, so the quantity that is provided with of primary power transmission circuit breaker is restricted.
As shown in Figure 5, the applicant proposes return circuit breaker for primary power transmission, wherein, forward raising mains side splicing ear 35 and load side splicing ear 36 also are formed on position near the central operation handle with it, also become the distribution board side along separate routes above the housing of charging part contact position such as rod or below be provided for accommodating the recess 34 of charging part.
Form by such raising splicing ear and the upper and lower end parts ground that leaves housing, in the time of in being arranged at distribution board, can be at the front side of the charging part of distribution board configuration splicing ear, and can connect the primary power transmission distribution in the position of leaving charging part, so, it is easy to connect operation, needn't cut off shunt rod etc. by the resettlement section of charging part being set, can making.
Yet in the time will forming the return circuit breaker for primary power transmission of Fig. 5 with existing small loop circuit breaker size, the consideration for parts are installed must be divided into housing 3 parts.In this occasion, as illustrating with oblique line among Fig. 7, be divided into 3 parts, or be divided into 3 parts along the vertical direction, or as illustrating with oblique line among Fig. 8 along left and right directions, be divided into central portion and about such 3 parts of portion.For this reason, the component count quantitative change is many, and assembly expenses and administrative expenses height in addition, because the housing mating surface increases, are managed so should be noted that the gap.Fig. 7 (a) and (b) are the ground plan of circuit breaker, and Fig. 8 (a) is the side view of circuit breaker, and Fig. 8 (b) is that B is to ground plan.
Such shown in the side illustration figure of Fig. 6, form the fixed contact 38 and the terminal base 39 of primary side respectively as the both ends that become the primary side conductor 40 of crank-like in flexagon in the opposite direction, then housing being divided into 2 parts gets final product, but in the time will disposing moving contact 41 and open-close mechanism section parts such as (not shown), be difficult to guarantee to be provided with the space, particularly be difficult to be encased in the existing small loop circuit breaker size, the circuit breaker volume inside narrows down, so the size constrained degree of component parts becomes greatly.
The present invention makes in view of the above problems, and its purpose is to provide a kind of need that shell is divided into the return circuit breaker for primary power transmission that 2 parts can easily be assembled.
In order to address the above problem, the 1st scheme provides a kind of return circuit breaker for primary power transmission, this return circuit breaker for primary power transmission is used to carry out the lever of loop opening and closing operations in the front of housing cardinal principle central configuration, the side of direction of operating in the upper and lower in connection with this lever is provided with the primary side splicing ear that links to each other with mains side, the secondary side splicing ear that links to each other with load side is set the opposing party, in enclosure interior fixed contact and moving contact are set, when the loop occurs when unusual, make said fixing contact and moving contact start work, cutoff circuit; It is characterized in that: the terminal base and the said fixing contact that are connected to form the primary side splicing ear by the sheet metal that forms コ word shape substantially.
The 2nd scheme, also have such feature on the basis of the 1st scheme: the terminal base of primary side splicing ear and fixed contact are formed on the two ends of the sheet metal that is roughly コ word shape, towards the two ends that lever disposes this sheet metal, in the back of primary side splicing ear configuration fixed contact.
The 3rd scheme also has such feature on the basis of the 1st or the 2nd scheme: at housing pod is set, this pod can insert the sheet metal that is roughly コ word shape, and towards lever direction opening.
According to the 1st scheme, owing to connect primary side splicing ear and fixed contact,, get final product installing component so only need housing is divided into 2 parts with the sheet metal that is roughly コ word shape, can reduce number of components, reduce assembly expenses.
According to the 2nd scheme, on the basis of the effect of the 1st scheme, can make the space of primary side splicing ear very little, at the primary side splicing ear and be located at the space that forms the component parts that can dispose circuit breaker between the fixed contact at its back, so, the available and existing size formation that has interchangeability along separate routes with the small loop circuit breaker.
According to the 3rd scheme, on the basis of the effect of the 1st or the 2nd scheme, also can make the installation of sheet metal of コ word shape easy.
Fig. 1 is the in-built longitudinal section of the return circuit breaker for primary power transmission key diagram that 1 example of the invention process form is shown.
Fig. 2 illustrates the power socket of Fig. 1 and the major part perspective view of the outer casing base that power socket is provided with the position shape.
Fig. 3 is that the A of Fig. 2 is to key diagram.
Fig. 4 illustrates the front elevation of distribution board inside that existing primary power transmission circuit breaker is installed to the state of distribution board.
Fig. 5 is the perspective view of primary power transmission circuit breaker.
Fig. 6 illustrates the power conductor shape of existing primary power transmission circuit breaker and the key diagram of configuration.
Fig. 7 is the ground plan of cutting apart form that existing housing is shown, and (a) illustrates towards the occasion that vertically is divided into 3 parts, (b) illustrates towards the occasion that is horizontally divided into 3 parts.
Fig. 8 existing housing is shown another cut apart form, (a) be side view, (b) be that B is to looking ground plan.
Describe the form of implementation that the present invention is specialized below with reference to the accompanying drawings in detail.Fig. 1 is the cross-sectional illustration figure of return circuit breaker for primary power transmission of the present invention, symbol 1 is for connecting the primary side splicing ear of mains side distribution, symbol 2 is the secondary side splicing ear of connected load side distribution, symbol 3 is a fixed contact, symbol 4 is a moving contact, and symbol 5 is for carrying out the lever of opening and closing operations.This lever 5 is located at the front central authorities of housing 6, each splicing ear 1,2 from the front descend one section ground be formed at the direction of operating that becomes lever 5 about (about diagram) position.
Fixed contact 3 is configured in the inside of housing 6 at the back of primary side splicing ear 1, and fixed contact 3 and moving contact 4 are contacted by the operation of lever 5 becomes "on" position, when work, cutoff circuit appear starting when unusual in the loop.
Both sides' splicing ear 1,2 is for being fixed to distribution by screw 8 upper terminal of terminal base 7a, 7b, the terminal base 7a of primary side is formed at an end of primary side conductor 10, this primary side conductor 10 forms fixed contact 3 for being flexed into the sheet metal of コ word shape substantially at the other end.In addition, the terminal base 7b of secondary side is connected to bimetal leaf 12 by stranded conductor 11, and the base end part of bimetal leaf 12 is connected to movable contact 13.
Fig. 2 is the major part perspective view of the base 6a of the bottom of formation housing 6, base 6a be provided with respectively along lever 5 directions that become above-below direction from about surround sidewall 15a, the 15b of 2 primary side conductors 10, be formed for inserting the pod 16 that keeps primary side conductor 10 betwixt.Pod 16 is along lever direction opening, is formed for mounting limit 17a, the 17b of mounting terminal base 7, the stage portion 18 that a side mounting limit 17a is formed for locating at the leading section of sidewall.
Below according to Fig. 2 with the erection sequence of above-mentioned primary side conductor 10 is described to Fig. 3 of view as the A of Fig. 2.In the drawings, finished the installation in one in 2 diagram left sides in the primary side conductor 10, one on right side is in before the installation.Extreme direction was towards lever 5 before primary side conductor 10 will form the two ends of コ font, insert fixed contact 3 as shown like that earlier from the place ahead of pod 16, then with terminal base 7a mounting to mounting limit 17a, 17b, make the one side of terminal base 7a and the stage portion 18 that is formed at sidewall 15a carry out fitting operation alignedly.Like this, the tapering 10a of fixed contact 3 and primary side conductor 10 remains on bottom and sidewall 15a, the 15b of base 6a, and simultaneously, upper end stroma 7a is kept, thereby is positioned.
Pod 16 configuration moving contacts (not shown) after inserting the primary side conductor 10 that forms like this form electric arc the space take place.
Like this, only the operation by inserting the primary side conductor from the diagram top can guide the primary side conductor by sidewall, fixed contact and terminal base are provided with and fix, so,, also the primary side conductor can be installed easily even improve the configuration splicing ear towards the housing front direction.In addition, by the primary side conductor being formed substantially コ word shape,, can form taking up room of primary side conductor very little, thereby can form the space of the component parts that can dispose circuit breaker towards lever 5 its two front ends of configuration.In above-mentioned form of implementation, the space that is formed between splicing ear and the fixed contact is used for the configuration of moving contact, but also can be used for other configuration of components, guarantee that the parts of circuit breaker inside are provided with the space.For this reason, only need housing is divided into base and lid, get final product installing component, but also can guarantee and the existing size that has interchangeability along separate routes with the small loop circuit breaker.Like this, can reduce number of components, reduce assembly expenses.
Can there be tapering as described above in the shape of primary side conductor yet.In addition, base can be formed for inserting the pod that keeps sheet metal, and sidewall need not form tabular.
Claims (1)
1, a kind of return circuit breaker for primary power transmission, the cardinal principle central configuration is useful on the lever that carries out the loop opening and closing operations in the front of housing, side in abutting connection with the direction of operating upper and lower of this lever is provided with the primary side splicing ear that links to each other with mains side, be provided with the secondary side splicing ear that links to each other with load side the opposing party, be provided with fixed contact and moving contact in enclosure interior, when the loop occurs when unusual, make said fixing contact and moving contact start work, cutoff circuit; It is characterized in that:
The two ends that the terminal base and the fixed contact of above-mentioned primary side splicing ear is formed on the sheet metal that is roughly コ word shape, simultaneously towards the two ends that lever disposes this sheet metal, in the back of primary side splicing ear configuration fixed contact,
At housing pod is set, this pod can insert the sheet metal of the above-mentioned コ of being roughly word shape, and towards lever direction opening.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30013699A JP2001118484A (en) | 1999-10-21 | 1999-10-21 | Circuit breaker for primary transmission |
| JP300136/1999 | 1999-10-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1303114A CN1303114A (en) | 2001-07-11 |
| CN1192410C true CN1192410C (en) | 2005-03-09 |
Family
ID=17881181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001259962A Expired - Fee Related CN1192410C (en) | 1999-10-21 | 2000-10-17 | Return circuit breaker for primary power transmission |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2001118484A (en) |
| CN (1) | CN1192410C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101243529B (en) * | 2005-06-16 | 2012-05-30 | 赛雪龙公司 | Electromechanical circuit breaker and method of breaking the current in said electromechanical circuit breaker |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5935088B2 (en) * | 2012-01-25 | 2016-06-15 | 日東工業株式会社 | Circuit breaker for wiring |
| JP5971584B2 (en) * | 2012-04-09 | 2016-08-17 | パナソニックＩｐマネジメント株式会社 | Circuit breaker external trip device |
| JP2015179597A (en) * | 2014-03-19 | 2015-10-08 | 日東工業株式会社 | circuit breaker |
-
1999
- 1999-10-21 JP JP30013699A patent/JP2001118484A/en active Pending
-
2000
- 2000-10-17 CN CNB001259962A patent/CN1192410C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101243529B (en) * | 2005-06-16 | 2012-05-30 | 赛雪龙公司 | Electromechanical circuit breaker and method of breaking the current in said electromechanical circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001118484A (en) | 2001-04-27 |
| CN1303114A (en) | 2001-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050309 Termination date: 20101017 |